Expressing a grammatical meaning (such as a tense) using a syntactic construction rather than morphological marking.
The substitution of a descriptive word or phrase for a proper name (a type of circumlocution).
The use of a longer expression instead of a shorter one with a similar meaning, for example "I am going to" instead of "I will".
The use of a proper name as a shorthand to stand for qualities associated with it.
Redundant use of words, a pleonasm, an unnecessary and tedious repetition.
An expression that features tautology.
A statement that is true for all truth values of its Boolean atoms.
A statement that is true for all truth values of its propositional variables.