A conjunctive adverb is a word that connects two independent clauses and shows the relationship between them, such as contrast, addition, or cause and effect.

"I wanted to go for a walk; however, it started to rain."

'Therefore' indicates a conclusion or result based on the information presented in the first clause.

Consequently

When a conjunctive adverb connects two independent clauses, use a semicolon before it and a comma after it.

A coordinating conjunction connects words or groups of words of equal importance, while a conjunctive adverb connects independent clauses and shows a relationship between them.

therefore