Bidding Principles by Martin Johnson

Abbreviations and Terms - commonly used in bridge notes

Hand Evaluation

Losing Trick Count - One of  the fundamental methods of evaluating hands, works in conjunction with cover cards on unbalanced hands

6421 Point Count - Assigning an Ace=6, King=4, Queen=2 and Jack=1 gives the most accurate method for suit contract hand evaluation.

Total Tricks - A key concept in competitive bidding.

Leads

135 Leads - Instead of the traditional fourth best leads, 135 leads is a superior method of providing the count in a suit immediately

Choice of Contract

Major or NT - Tools for analyzing the decision whether to play 3NT or 4 of a major with an 8 card fit. Practical examples of how to do this with various conventions.