Noun
Usually written in kana
1.  outline;  main points;  gist;  substance;  essence
Adverb
Usually written in kana
2.  generally;  on the whole;  mostly;  almost;  nearly;  approximately;  roughly;  about
Adjective (の)
Usually written in kana
3.  general;  rough
Adverb
Usually written in kana
4.  in the first place;  first and foremost;  from the start;  to begin with