S. RES. 14 is a resolution to elect Robert M. Duncan as the Secretary for the Majority of the United States Senate. The resolution was introduced by Mr. Thune and was subsequently agreed upon in the Senate.
Simple Explanation
The Senate decided to give a new job to a person named Robert M. Duncan, making him the "Secretary for the Majority," which is like an important helper for the group in charge. They didn't explain exactly how they chose him or what his job will be, though.