The difference between As a rule and By and large

When used as adverbs, as a rule means in general, whereas by and large means mostly, generally.


check bellow for the other definitions of As a rule and By and large

  1. As a rule as an adverb (idiomatic):

    In general; most often.

    Examples:

    "We go fishing every Sunday as a rule, but today the lake is frozen."

  1. By and large as an adverb (set phrase, focus):

    mostly, generally; with few exceptions

    Examples:

    "It was, by and large, an unexceptional presentation."