The phrase "solid base" can refer to a firm, stable foundation or starting point on which something is built or established. In various contexts, it implies strong support or a dependable footing. Also, "Solid Base" is the name of a Swedish-Norwegian Eurodance duo known for the song "This Is How We Do It," which matches the phrase in the query. Depending on context, "solid base" could be:

• A foundational support in construction or physical objects, such as a bed base providing a firm surface for a mattress.
• A metaphorical strong foundation, like a solid base of knowledge or resources.
• A musical group or song title.

Could you please clarify if the query refers to the meaning of "solid base" as a phrase, a type of bed base, or the music group/song?