Although loam is a combination of sand, silt and clay, adding sand to your clay soil, or vice versa, will not create loam. Doing so will result in something like cement.
According to Merriam-Webster, family values are values especially of a traditional or conservative kind which are held to promote the sound functioning of the family and to strengthen the fabric of society.
Some examples of core values people might have about life include: 1  A belief, or lack thereof, in God and/or an affiliation with a religious institution. 2  A belief in being a good steward of resources and in exercising frugality.  A belief that family is of fundamental importance.