What does "not yet" mean?

A skill that one is learning but has not yet acquired.

Not yet

adv, noun

adv, noun ·Rare ·Advanced level

Noun

1
A skill that one is learning but has not yet acquired.
"If you also have students count problems incorrect, calling them “not yets,” or “learning opportunities,” or […]"

Adverb

1
Not for the moment, though expected later. not-comparable
"That which is blackish is not yet black. He who is being enriched is not yet rich. The preparation for a supper is not yet supping."
2
Not quite; not exactly. not-comparable
"These things, to me, are some evidences that England is not yet utterly forsaken of the Lord its God, though the land be full of sin."

"That which is blackish is not yet black. He who is being enriched is not yet rich. The preparation for a supper is not yet supping."