This is the 766th most frequent Japanese word.
コレ
"This" (used to indicate something close to the speaker).
Here, 'これ' is used as a demonstrative pronoun referring to an object near the speaker.
これ、私のカバンです。
This is my bag.
In this sentence, 'これ' acts as the subject determined by '欲しい (want)' and indicates the item desired by the speaker.
これが欲しいです。
I want this.
In this sentence, 'これ' serves as the direct object of the verb '使ってください (use)' and represents something specific indicated by the speaker.