These are pieces of information that are not necessary to the meaning or purpose of writing. Example: If I were to ask how old you were, and you said: I am 12; I was born in March, under a full moon, during a storm. Everything after the number 12 would be unnecessary to answer the question. These are pieces of information that are not necessary to the meaning or purpose of writing. Example: If I were to ask how old you were, and you said: I am 12; I was born in March, under a full moon, during a storm. Everything after the number 12 would be unnecessary to answer the question. These are pieces of information that are not necessary to the meaning or purpose of writing. Example: If I were to ask how old you were, and you said: I am 12; I was born in March, under a full moon, during a storm. Everything after the number 12 would be unnecessary to answer the question.