Answer: Sub-goals
Step-by-step explanation:
According to the question, Gary is using his sub-goals for reaching his goals in the new front yard. The sub-goals are one of the important primary step towards reaching your main goals.
Sub-goal is the groups of steps that involve in the process of describing the main steps towards the achievement of the main goal. This concept of sub-goal is mainly used in the education psychology field and in the cognitive science.