The correct spelling for the phrase "wert in driver seat" is actually "were in the driver's seat." The word "were" is the past tense of "are" and refers to a state of being. The "r" in "were" is silent, and it is pronounced phonetically as /wər/. The phrase means to have control or responsibility in a situation, particularly in driving or making important decisions. It is important to use proper spelling and grammar in written and spoken communication to convey clear and accurate meaning.