Sol. is the abbreviation for solutions, meaning it is "short" for answers.
To get crossword puzzle answers you look at the numbered clues and find out what they mean and what matchs the clue then you put your answer to the clue in its numbered space
The clue is related to the crossword title
jib
"Perps" is short for perpendiculars - or answers that cross other answers so that you can get the fill even if you didn't know the answer.
In most crosswords, a gp in lowercase in a clue means group.
"clue echo" for crossword aficianados, wherein one clue is repeated later in the puzzle.
hug, cuddle
"Pref" in a crossword clue typically suggests an abbreviation. It could indicate that the answer is a prefix or that the solving of the clue requires an abbreviation for a word or concept.
Had a hard time figuring this out. It means spew! It was a crossword puzzle clue.
That was the author's name: Noel Coward
It usually means an abbreviation and indicates that the answer wants to be abbreviated as well.
Assuming this is a crossword puzzle clue, "cup's partner" is "saucer."