"explanations" in the noun sense
1. explanation, account
a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.
"the explanation was very simple"
"I expected a brief account"
2. explanation
thought that makes something comprehensible
3. explanation
the act of explaining making something plain or intelligible
"I heard his explanation of the accident"
Source: WordNet® (An amazing lexical database of English)
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