By: ruby_99 | 2010-01-01 21:17:41 It's kind of shorthand for the financial terms of a lease. $5000 is the sign-on bonus, 20% is the royalty, 5 years is the term, with an extension of 4 years. There are many things in a lease that are possibly more important. Answers are provided for educational or information purposes only. It is critical to seek qualified legal counsel before making any decisions affecting your property or mineral estate.