Made in measuring

When a + b + c + d make cake, a, b, c, and d are ingredients that are edible. When a + b + c + d make a child happy, a, b, c, and d are possibly components of a birthday gift (gift+gift wrap+card+message on card) or event segments (visit at zoo+transport to and from+seeing a special animal+being with parent). When a + b + c + d make a home pleasant for living, a, b, c, and d are elements such as comfortable furniture, a meal at the table or kitchen counter while talking with a family member,...