Apostrophe and Train of thought

Apostrophe noun - The mark (') used to indicate the omission of one or more letters from a printed word.

Train of thought and apostrophe are semantically related in word association topic. In some cases you can use "Train of thought" instead a noun "Apostrophe".

Train of thought noun - The connections that link the various parts of an event or argument together.

Apostrophe and train of thought are semantically related in word association topic. Sometimes you can use "Apostrophe" instead a noun phrase "Train of thought".