1. Introduction
2. Sample Selection and Observing Campaign
3. Determination of Astrophysical Parameters
3.1. Multiplicity, Radial and Projected Rotational Velocity
3.2. Effective Temperature, Gravity, and Metallicity
4. Chromospheric Emission and Lithium Abundance
4.1. Chromospheric Emission
4.2. Lithium Abundance
5. Discussion
5.1. Binaries and Multiple Systems
5.2. Evolutionary Status
5.3. Age
5.4. Lithium-rich Giants
5.5. Moving Groups Candidates
6. Conclusions