The term "uncertain terms" refers to words or phrases that have multiple meanings, are ambiguous, or can be interpreted in different ways. These types of expressions often lead to confusion and misunderstandings when used in conversation or written communication. Examples of uncertain terms include vague words such as "thing," "stuff," "some people," or "you know." Additionally, phrases like "it depends" or "I'm not sure" can also be considered uncertain terms because they do not provide clear information. To avoid misunderstandings and ensure clarity in communication, it is essential to use precise language and avoid using uncertain terms.