Seven words are long sentences and five words are short sentences.
It doesn't matter if a single sentence is scattered, but it is different if many sentences are organized together.
A whole sentence refers to a sentence with the same or similar structure and symmetrical form.
Loose sentences refer to sentences with different structures and scattered forms.
Whole sentences and loose sentences are relative concepts.
Judging from the communicative function of language, casual sentences are its natural and basic form. People usually use casual sentences when they speak and write articles.
The whole sentence is a rhetorical way and an auxiliary form, which plays a leading role in a few literary forms, such as metrical poems, allegro poems and corresponding words, and is generally used in combination with prose sentences.
Generally speaking, all active sentences with active-object structure can usually have corresponding passive sentences.