TERSE SUMMONS is a phrase that describes a brief, urgent request for someone to appear. The two crossword solutions, COME and SEEME, are both imperative verbs that can be used to make such a request. COME is a four-letter verb that means to move towards or arrive at a place, while SEEME is a five-letter verb that means to visit or appear before someone. Together, these two words form a concise command for someone to appear.