A conjunction is a word that connects the secondary sentence into a sentence, the primary such as if, because, although, after, before, since, that, unless, until, when, as soon as.
Conjunctions are used to connect the second sentence with a sentence like after, because, if, although, before, since, that, unless, until, when, as soon as.
Is used to connect the second sentence conjunctions with the main theme, such as sentence after because if although,,,,,, before since that unless,,, Until when as soon as,,,