Saturn square Lilith (orb 4.2°) creates concrete friction between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Here, Saturn in Leo in House 1 brings discipline, constraint, endurance, and mastery into House 1 (presence, body, and the way experience is entered), with Leo style (presence, pride, creation, and the wish to be seen); Lilith in Taurus in House 10 brings pure ideal, absolute demand, fascination, and refusal of compromise into House 10 (vocation, status, responsibility, and public image), with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance).
Concrete friction: this aspect puts Saturn (discipline, constraint, endurance, and mastery) and Lilith (pure ideal, absolute demand, fascination, and refusal of compromise) into repeated friction: one can interrupt, inhibit, or provoke the other in concrete situations. Visible angle: Saturn near the Rising sign (orb 1.5°) touches an angle; this aspect is easier to notice through first impression, body language, reflexes, and entry style. House 1 (presence, body, and the way experience is entered) is in friction with House 10 (vocation, status, responsibility, and public image); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.