(advance) notice; preliminary announcement; warning; trailer (for a film, TV show, etc.)
September; ninth month of the lunar calendar
30th day of the month; 30 days
double circle (indicating "very good" on a piece of school work)
terminal; computer terminal; information access device (smartphone, tablet, book-reader, etc.); end (e.g. of a roll of film)
link; linking; link; hyperlink; linking (of object files); linkage
telephone number; phone number
contacting; getting in touch; communication; call; message
deletion; elimination; erasure; striking out
change; modification; alteration; revision; amendment
to be; to come; to go; to be (doing)
acknowledgement; acknowledgment; understanding; approval; consent