Read the dictionary definition of concatenation. All definitions for this word.
1. the act of linking together as in a series or chain
2. a series of things depending on each other as if linked together
1. the chain of command
2. a complicated concatenation of circumstances
3. the linking together of a consecutive series of symbols or events or ideas etc
1. it was caused by an improbable concatenation of circumstances
4. the state of being linked together as in a chain; union in a linked series