The phrase "number of approaches" refers to the different ways or methods that can be used to solve a problem or achieve a goal. It represents the various options or strategies available to tackle a particular situation. Full definition
Unfortunately, the maps themselves feel limited, with most having only a small number of approaches and firing angles. (gamingenthusiast.net)
At the same time, users of online dating platforms have to cope with a large number of approaches and, therefore, need to choose selectively who they decide to engage in a conversation with. (onlinepersonalswatch.com)
Prior to 1863, the US states had a wide number of approaches. (alephblog.com)