This document discusses characteristics of learners and learning styles that should be considered when planning training sessions. It identifies several trainee characteristics, including language ability, culture, education level, gender, age, physical ability, experience, and learning style. For each characteristic, it explains how that should impact the training plan. It also describes the main learning styles - visual, auditory, read/write, and kinesthetic - and tools that can be used to cater to each style. The goal is to understand trainees and design training that suits their individual abilities and preferences.