The aims (the broader goals of the lesson, what it is reaching towards) The objectives (the specific, measurable outcomes of the lesson – the particular skills or knowledge students should have acquired by its conclusion) The number of attendees and the student-teacher ratio The previous knowledge of the learners (which may or may not be the same for all) and how this will be activated at the start of the lesson The motivation of the learners (school students, for example, have no choice but to attend so the teacher must build some kind of motivation into the lesson) The time required for each section of teaching and learning The resources required and available Catering for the different needs (cultural differences, learning styles, special needs) of the individuals How the lesson is to be evaluated