Sun square Saturn (orb 1.1°) creates concrete friction between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Sun in Aries in House 7 brings identity, ego, father figure, visibility, and direction into House 7 (relationship, confrontation, and the mirror of others), with Aries style (initiative, speed, confrontation, and direct action); Saturn in Capricorn in House 3 brings discipline, constraint, endurance, and mastery into House 3 (speech, learning, and the close environment), with Capricorn style (structure, ambition, responsibility, and long construction).
Concrete friction: this aspect makes identity, ego, and father image meet Saturn pressure: confidence, recognition, or the father relationship may have to grow through duty, delay, judgment, authority, or fear of failure. Visible angle: Sun near the Descendant (orb 1.6°) and Saturn near the IC (orb 1.4°) touch angles; this aspect is easier to notice through direct relationships, partners, opponents, and the way others are met; also through private base, family roots, and intimate psychological climate. House 7 (relationship, confrontation, and the mirror of others) is in friction with House 3 (speech, learning, and the close environment); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.