What We Have Here' is an idiom that is used to describe a situation or a collection of items that are present. It is usually used to express surprise or admiration for the items that are present. The crossword solutions for this phrase are 'ours' (4 letters), 'this' (4 letters), and 'these' (5 letters). These words refer to the items that are present in the situation, and they emphasize the collective nature of the phrase.