Micro just means small or very small, you'll have to pose your question in context.
Micro Trend was created in 2003.
Micro Center was created in 1979.
Velocity Micro was created in 1997.
Micro Industries was created in 1978.
Ingram Micro was created in 1979.
SSI Micro was created in 1990.
Micro Change was created in 1982.
Micro Forté was created in 1985.
Micro Cabin was created in 1982.
Energy Micro was created in 2007.
Micro frog was created in 1910.
Micro Cars was created in 1995.