The term 'At a Glance' refers to the ability to quickly and easily understand something without having to spend a lot of time studying it. The crossword solutions for this term are SCAN (4 letters), OBLIQUE (7 letters), PEEK (4 letters), LOOK (4 letters), LEER (4 letters), and PEEP (4 letters). All of these words refer to the act of quickly looking at something, either directly or indirectly, in order to gain an understanding of it.