Raidho is the letter R
Anglo-Saxon Rune Poem (from ragweedforge.com)
Riding seems easy to every warrior while he is indoors
and very courageous to him who traverses the high-roadson the back of a stout horse.
Raidho is the rune of riding, roads, and journeys. While it can be metaphorical, it is often more direct and literal. You can expect travel of some kind involved. While there is a sense of action, it is more direct, focused and purposeful. There is often a goal, destination or end point in the journey, even if it is only a large circle of heading out, only to return. Generally in a question of travel, Raidho indicates a safe journey, although not always an easy or fast one.
Part of what I notice with Raidho is that it also connects with rhythm. It is rhythm which drives music, and a rhythm can also drive people as well, helping them to keep acting, and keep moving forward until they have reached their goal. A slow, steady rhythm can organize people, much like in iconic images of people rowing in a long ship, or a quick rolling tempo can help to bring on states of spiritual ecstasy, allowing one to walk the roads between worlds to seek out spiritual beings for weal or woe. Raidho is the expression of those rhythmic energies, and also work to harmonize with rhythms around you, no matter what kind.