To conclude is to have enough information to make a conclusion
Eliza's appearance as a prim and proper beautiful young lady coupled with her perfect English accent surprised the guests; and they began to speculate as to where she came from. As they listened to her talk, they found her weird but Prof. Higgins explained that it was the "new small talk."
It means you are unable to move
Post hoc states that one event led to the following event that came after it. Since event B came after event A, event A caused event B.
This is fallacy because there are things such as coincidences, and an event coming after one doesn't mean they have to be related in any way.
