"فعل" (pronounced "fi'l") is an Arabic term that translates to "verb" in English. It represents an action or a state of being in a sentence. In Arabic grammar, verbs are essential for constructing meaningful sentences, as they indicate what the subject is doing or experiencing. In Arabic, verbs are categorized based on their tense, such as past, present, and future. Each tense has specific conjugation rules that change the verb form according to the subject's gender and number. Understanding "فعل" is crucial for mastering the Arabic language and forming coherent sentences.