nstead it simply suits the category of its base, expressing grammatical information that’s required in a particular language.
"Inflectional gives information to the word" This will be a good way to help me remember the differences between derivational and inflectional morphology! I & I = Information.
Inflectional morphology: Morphology that expresses grammatical information appropriate to a word’s category
This is still a little unclear to me. "Inflectional". I think I need to spend a little more time getting familiar with this word and defintion.
he distribution of different categories varies from language to language
This is why language can be so difficult, because every language determines things differently! Every language identifies grammar differently.