Preempting <<<<< someone please post and answer that fits the question and delete this trash answer
Their speech is "garbled."
Speech is a way to express and convey thoughts, while language is just a system of understandable speech.
Colloquial language.
I know the study is called linguistics, but I don't know what the person is called.
Colloquial
your goals in a speech are to get someones attention ,keep their attention and stay on topic
Quite possibly, although speech which takes vocabulary from one language and grammatical structure from another is properly called a creole rather than a language.
grammar
grammar
character description...
The rhythm of language is called prosody. It refers to the patterns of stress, intonation, and timing in speech that help convey meaning and emotion.
Yes, the everyday way people communicate through words and sentences is called speech or language. It involves using simple vocabulary and short sentences to convey meaning and have conversations.