The term 'Jack of Clubs' is a phrase used to describe someone who is skilled in many areas. The crossword solutions for this term are PAM (3 letters) and GOLFERNICKLAUS (14 letters). PAM is an acronym for 'Personnel Administration Manager', which is a job title for someone who is responsible for managing personnel and administrative tasks. GOLFERNICKLAUS is a combination of the words 'golfer' and 'Nicklaus', referring to the legendary golfer Jack Nicklaus, who is known for his skill and success in the sport.