(music) A note that has 1/32 the length of a whole note.

Used other than figuratively or idiomatically: see not, long. / (UK) Fairly recently.

(US, music) A note with twice the value of a whole note.

(music) a note with 1/64 the value of a whole note

(informal, usually humorous) Used as a reply to see you, see you later, see you soon etc., implying that if the speaker sees the interlocutor first then the speaker will avoid the interlocutor.

It is easy; it is simple.

A polite way to dismiss thanks as unnecessary

Not nearly.

(idiomatic) useless; worthless

Many problems are happening simultaneously or in close succession.