Understanding the Difference Between the Melachot of Choresh (Plowing) and Boneh (Building);
דבר דבר (Dabair Davar): Thoughts in שמונה עשרה Shemoneh Esrei;
wiping one's hands or mouth on a towel when they are dirty from colored foods or drinks (e.g., grape juice, pomegranates, colored ices, etc.);