The noun of “Outlet” and the verb of “Action” like reading book for computer language
As for Swift language which controls iPhone APP, there is interesting definition: “Outlet” and “Action”. For those who are not so familiar with Swift or computer language, please see “Outlet” like noun and “Action” like verb from language definition. One of the key roles about noun is it can be subject in sentence. In this respect, “Outlet” works like subject on program while its meaning can be more detailed with its property, or what I would see as if adjective. Why “Outlet” looks noun is it always connect to object. It appears the name of object. On the other hand, “Action” do something as its name suggests. Mathematically, “Action” is like function itself. It deals with the input and show the output on its rule. In some cases, the input may not exist, which is different from mathematical function. But, it always has the output so it always do something whenever it is called. Technically, we can control the timing of when “Action” should be called as verb has the rule of...