Complex sentence: Citadel envisioned a double envelopment with pincers originating from the bases of the salient and directed at Kursk which would surround the majority of the Soviet defenders and seal off the salient.
Split into simpler sentences: Citadel envisioned a double envelopment with pincers originating from the bases of the salient and directed at Kursk. The intention was to surround the majority of the Soviet defenders and seal off the salient.