The term "wash" generally refers to the act of cleaning something, while "wash clothes" specifically refers to the act of cleaning clothing items. The distinction lies in the specificity of the object being cleaned.
When you say "wash," it can be used in a broader sense and can refer to various cleaning activities. For example, you can wash your hands, wash dishes, or wash a car. It does not necessarily imply cleaning clothes unless it is explicitly mentioned in the context.
On the other hand, "wash clothes" is a more specific phrase that explicitly refers to the act of cleaning garments or fabrics. It implies that you are specifically focusing on cleaning and maintaining your clothing items, such as shirts, pants, dresses, or any other textile-based articles.
In summary, "wash" is a general term that can be used for cleaning different things, while "wash clothes" is a specific phrase that refers to the act of cleaning garments.