Indicates 'any' or 'whichever' when referring to multiple items.
Long explanation:
The どれでも grammar point is used to express that any option or element among multiple choices is acceptable. It can be translated as 'any' or 'whichever' in English. It is often used in questions or suggestions and is commonly seen with でも, but it can also be used with だれでも, いつでも, どこでも, etc.