Used to connect words of the same part of speech, clauses, or sentences that are to be taken jointly.
Although this conjunction "and" is an English usage, this ASL sign is not directly used in ASL and is rarely used. Rather, it's conveyed in a different grammatical structure, using constructive structure, ranking/listing grammar, ALSO-conjunction, and some more other ways.
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.