The structure of an explination is ties.
The purpose of an explination is to tell people how something works. The T in ties stands for title, I stands for introduction, E stands for explain, S stands for summary.
The language features of a explination are third person, present simple tense, and cause and effect words. Some examples of cause and effect words are if,when,becuase, and so.
An explanation tells people how something works or what it does. An explination can be of an orginisation, a thing, or a machine.