necessary;  needed;  essential;  necessity;  need;  requirement
 important;  momentous;  essential;  principal;  major
 demand;  firm request;  requisition;  requirement;  desire
 unnecessary;  not needed;  not necessary
 component;  factor;  item (e.g. in list);  element (e.g. in array);  member (e.g. data structure)
 to need;  to call for;  to require
 in short;  in a word;  to sum up;  to put it simply;  to make a long story short;  after all
 to be needed;  to be wanted
 appeal;  call for something;  request;  axiom
 in short;  the point is;  the important thing is;  in a word;  basically
 to need;  to demand;  to take;  to require
 main cause;  primary factor
 cornerstone;  main point;  requirement;  need;  necessary;  required
 coercion;  extortion;  compulsion;  force
 chief;  main;  principal;  major
 point;  gist;  essentials;  knack;  trick;  the ropes
 fort;  stronghold;  fortification
 (necessary) personnel;  required person
 outline;  summary;  overview;  synopsis;  abstract;  abridgment
 absolutely essential;  indispensable;  vital;  critical
 to be to the point;  to hit the mark;  to be relevant
 important matter;  requirement;  requisite;  necessary condition
 pivot;  vital point;  cornerstone;  Japanese photinia
 bare minimum;  minimum necessary (amount, number, etc.)
 regarding highly;  attaching importance to
 important person;  strategic person;  key figure
 need for caution;  need for care;  requiring special attention
 extremely important;  essential;  vital;  crucial
 important position;  strategic point;  important point;  main point;  essentials
 variables;  uncertain elements;  uncertainties;  imponderables
 (all) important positions;  every strategic point;  each key post;  (all) important parts;  every important point
 important post;  important office;  key position
 material witness;  suspect
 unnecessary;  not needed;  not necessary
 urgent;  requiring quick (response)
 person requiring special attention;  person to be wary of;  person under (police) surveillance;  dangerous person
 quickly and skillfully;  to the point;  succinctly;  concisely
 time required;  time taken;  necessary time
 stronghold;  fortress;  strategic position;  key position
 important point;  strategic position;  key point
 to need;  to require;  to take;  to demand
 necessary information;  required fields (e.g. in a form)
 important matter;  matters of weight
 Buddhist memorial service
 necessary condition;  requirement
 crucial;  key;  most important;  main (point)
 don't worry;  there's no need to worry
 important points;  main points
 important documents;  important papers
 important cultural property;  important cultural asset
 knowing how to swim with the tide;  being good at dealing with things
 fortifying;  fortification
 point;  essentials;  gist;  summary;  fundamentals
 important matter (for discussion (deliberations))
 important place;  strategic point;  critical location
 knowing how to swim with the tide;  being good at dealing with things
 written request;  written demand
 application information;  application guidelines;  application handbook
 care;  precaution;  guarding;  caution
 vague;  ambiguous;  noncommittal;  off-point
 nonessential and nonurgent;  unnecessary
 main principle;  gist;  general plan;  guidelines;  outline
 main or important road;  influential or important position;  the authorities
 knowing how to swim with the tide;  being good at dealing with things
 ambush;  interception;  counter-attack
 negotiable;  further discussion needed
 knowing how to swim with the tide;  being good at dealing with things
 (most) important;  principal;  pivotal;  key;  cardinal
 required;  needed;  necessary
 necessary documents;  important documents
 quickly and skillfully;  to the point;  succinctly;  concisely
 knowing how to swim with the tide;  being good at dealing with things
 argument that something is unnecessary;  opposition
 important matter;  necessary thing;  requirement
 knowing how to swim with the tide;  being good at dealing with things
 demand for (electric) power
 written request;  requisition
 momentous;  exigent;  urgent;  important;  vital
 mine guards (during a strike)
 player put on starting list to be replaced by another when the opponent's pitcher is known
 structural elements (of an offence);  constituent external element of a crime;  actus reus
 need;  want;  necessity;  costs;  expenses
 government course (curriculum) guidelines
 elements;  essentials;  outline
 number of elements (e.g. in a matrix)
 request for budgetary appropriations
 necessity is the mother of invention
 government-approved curriculums;  (educational) guidelines
 (a fortress being) impregnable;  unassailable
 to be brief and to the point;  to be succinct
 main parts;  main components
 stay-at-home demand (e.g. during the COVID-19 pandemic)
 important intangible cultural asset
 major newspaper;  leading newspaper;  widely circulated newspaper
 primary business;  primary function;  primary focus
 to come to the point;  to touch on the point;  to address the main points
 necessary and sufficient condition
 epitome;  summary;  outline
 need;  want;  necessity;  costs;  expenses
 outline;  summary;  survey;  handbook
 description box (e.g. on a website);  summary list
 requiring assistance (categ. of elderly person's support needs)
 nursing care level (between 1 and 5 based on assessment of care requirements)
 capital requirements;  demand for funds;  credit needs
 important intangible folk culture asset
 increased demand;  increasing demand
 (socially) necessary labour;  necessary work
 of great prominence or dignity
 reservation required;  prior booking essential
 necessity (or lack thereof)
 crucial;  key;  most important;  main (point)
 underlying technology;  technology behind (a product)
 primary nursing care requirement authorization (a 5-level graded system under health insurance)
 outline;  summary;  compendium
 requiring medical treatment
 language construct;  entity
 summary;  outline;  compendium
 certificate of legal capacity to contract marriage;  certification of one's legal capacity to be married
 matter (thing, concept) of high (vital, extreme) importance
 of paramount importance;  extremely important;  essential
 increase in (expansion of) demand
 as necessary (needed);  if necessary (needed)
 primary factor;  main cause
 data element;  data entity
 reduced demand;  decline in demand
 two-factor authentication
 expenses;  costly;  expensive
 outline of history;  essentials of history
 Hazard Analysis Critical Control Point;  HACCP
 display element;  graphic primitive;  output primitive
 requester;  requesting SS user
 I don't need it;  I don't want it
 eating moderately keeps the doctor away
 care;  precaution;  guarding;  caution
 be careful about fire;  watch out for fire
 be careful about fire;  watch out for fire
 Japanese photinia (Photinia glabra)
 that's none of your business
 that's none of your business
 eating moderately keeps the doctor away
 prices of staple commodities
 essential elements of information
 obsolete element;  obsolescent
 main points;  list of requirements
 chemical oxygen demand;  COD
 budgetary request guidelines;  ceiling for budget requests
 commutative justice;  justitia commutativa
 overriding necessity;  absolute requirement;  an absolute must
 grasping the (main) point;  seizing the essence (of a matter)
 railway (railroad) maintenance personnel
 income elasticity of demand
 factor proportions theory (of international trade)
 factor price equalization theorem
 biochemical oxygen demand;  BOD
 association control service element;  ACSE
 graphical primitive elements
 code element;  code value;  coded representation
 element of service;  service element
 dialogue establishment request outstanding
 Transaction Processing Application Service Element;  TPASE
 handshake request outstanding
 safety design requirement
 Remote Operation Service Element
 request for forwarding address;  PD PR
 extension of postal OR address components
 geometric graphics element
 symbiotic service element
 Common Management Information Service Element;  CMISE
 result element type (of a link)
 source element type (of a link)
 MRP;  Material Requirement Planning
 Automatic Request for Repetition;  ARQ
 ARQ;  Automatic Repeat reQuest
 receipt notification request indication
 non-receipt notification request indication
 significant SGML character
 display element;  graphic primitive;  output primitive
 conditional (C) component
 static conformance requirements
 previous specified element
 track and hold unit;  track and store unit
 dynamic conformance requirements
 originator requested alternate recipient
 partial-attribute-request
 physical delivery address components
 physical delivery office address components
 character-coded-data-element;  CC data element
 contextually optional element
 contextually required element
 requester;  requesting SS user
 requesting Association Control Protocol Machine
 requesting-remote-operation-protocol-machine
 request for proposals;  RFP;  invitation for bids
 platform (e.g. of a party);  policy statement;  manifesto
 key customers;  key customer;  major clients;  major client
 postulates of practical reason
 direct cause;  proximate cause
 demand for replacement;  request for replacement;  need for replacement
 (minimum) system requirements
 recommended dietary allowance;  RDA
 advance reservation required
 advance reservations not required
 cumulative guidance record
 major histocompatibility complex;  MHC
 manual;  instruction manual;  work procedures documentation;  operating instructions
 person requiring special help (usu. seniors, infants, etc. in disaster scenarios)
 requiring special help (usu. seniors, infants, etc. in disaster scenarios)
 imaginary demand;  demand caused by speculation;  speculative demand
 socially necessary labour time
 multi-factor authentication
 key performance indicators;  KPI
 in a word;  in short;  in summary;  summing up;  to sum up
 necessary labour time (in Marxian economics)