Stored Procedures vs Triggers in MySQL

Question

How are STORED PROCEDURES different than TRIGGERS in the MySQL world ?

Answer 1

Stored procedures are stored as precompilated code (stored routine) and called by the programmer wherever it wants to fire. Stored procedure can return value(s). About procedures and functions.

Triggers are named database objects fired automatically when insert, delete, update (or other event) occurred, there can be no explicit invocation. Trigger can not return any data. About triggers.

You can use procedures in trigger's code.