What was the major goal of joseph stalin's five year plans in the soviet union?

The first five-year plan by Joseph Stalin was enacted between 1928-1932.
The 5 year plan was known as 'revolution from above' and the goals included:

1. Rapid Industrialization

2. Increased Agricultural output

The idea was to quickly industrialize Russia, which was by then, lacking far behind Western Europe. The focus was on the development of heavy machinery and supporting industries.

Agriculture was seen as a significant part in the overall goal, since surplus production would help to develop a stable and prosperous society.