The 4th house is the chart's taproot — the private base you retreat to, the lineage that shaped you, and the felt sense of belonging somewhere. Everything else in the chart stands on it.
A transit moving through the 4th house works below the surface — on household, family ties, and inner ground rather than public life. A natal point received here takes the contact at the root, in private.
home, family, roots, and emotional foundation — the practical arena where the contact is felt.
Transit Pluto in the 4th house renovates from the foundation up — family patterns surface to be remade.