n.
1.something that interests you because it is important or affects you
2.an anxious feeling
3.a commercial or industrial enterprise and the people who constitute it
4.something or someone that causes anxiety
5.a feeling of sympathy for someone or something concern v.
1.have to do with or be relevant to
2.be on the mind of
Idiom of the Day
about time
to be something that should have happened earlier
"It is about time that you returned that book to me."