The phrase "less time" means to spend or use less amount of time for something. It can be used in various contexts such as completing a task, doing an activity, or achieving a goal. For example, if someone says they want to complete a project "in less time," it means that they aim to finish the project faster than originally planned. Similarly, if someone wants to improve their performance in sports, they may practice for "less time" but with more intensity and focus. In summary, "less time" refers to using or spending less amount of time for something.