1. An English paragraph

2. Coherence (3-1) One of the most important organizational principles …
Each sentence in a paragraph leads naturally and logically to the next in explaining the central idea.
[ES p. 101]

3. Coherence (3-2)
if a piece of writing, set of ideas etc is coherent, it is easy to understand because the information is presented in an orderly and reasonable way
[LDCE]

4. Coherence (3-3)
As a rule, we do not write just one sentence or even a number of unrelated sentences. We produce a sequence of sentences arranged in a particular order and linked together in certain ways. … They form what we may call a “text”. Byrne (1988: 1)