Expired
The term 'end of the line' means the final outcome or the conclusion. Synonyms are stopping point, wrap-up and closing. It is not quite certain from where the term originated.
A line segment has distinctive end points.
The term for the end of a bone closest to the midline of the body is called the "proximal end."
Medial
A ray is a line that has an originating point, but no end.
End rhyme.... APEX ............................................................................................................................
A point is an undefined term. But given two points, they can be joined using a line segment.
Enjambment
The term you are describing is a line.
I'm not familiar with the term WE. There is a split end (SE) and the more generic term wide receiver (WR), so perhaps WE is simply a mistaken combination of the two.As for a split end, that is a wide receiver who lines up on the line of scrimmage (as opposed to a flanker, who lines up behind the line).
The word that best describes the line endings of this poem is "enjambed." This term refers to lines that do not end with the completion of a phrase or sentence and instead carry over to the next line.
It usually means that a retailer is selling off the the last few item from a line cheaply.