Behaviour pattern is a term used to describe the way in which an individual or group of people act in certain situations. It can be described as a set of rules or habits that are followed. The two crossword solutions for this term are 'RULE' and 'HABIT'. A RULE is a set of instructions or regulations that must be followed, while a HABIT is an action that is done regularly without conscious thought. Both of these terms are used to describe behaviour patterns, as they both involve following a set of instructions or doing something regularly.