to gain knowledge (of something) or acquire skill in (something).
A plural form, meaning "in the process". E.g. "I've been learning a lot." Or "I am still learning."
Verb inflection: to learn from (her/him, etc.) You can change the direction of the palm orientation to indicate whom one learns from who.
"Learning to sign without interacting with Deaf people is like learning to swim without water." -- Bill Vicars
First 100 words.
As you feel more comfortable with the first few hundreds of ASL signs, progress further with your vocabulary and learn signing more.