1. Helio/asteroseismology long-term data: solar/stellar interior velocity fields: status, divergence, and challenges; 2. Long-term magnetic field measurements in the Sun and stars; 3. Sunspot number datasets: Status, divergences, and unification; 4. Solar total irradiance and spectral irradiance long-term data: status, divergences, and challenges; 5. Solar cycle database of solar activity: variations in solar eruptions; 6. Long-term monitoring of stellar activity: lessons for the solar cycle; 7. The variable solar wind and the heliosphere; 8. Solar behavior over centuries using radioisotopes; 9. Physical causes of the solar/stellar cycle irregularities; 10. From past to future: predicting upcoming solar cycle 25.
