Complex sentence: To reinforce this image, the company introduced a corporate signature, "The Document Company" above its main logo and introduced a red digital X. The digital X symbolized the transition of documents between the paper and digital worlds.
Split into simpler sentences: To reinforce this image, the company introduced a corporate signature, "The Document Company" above its main logo and introduced a red "digital X". The "digital X" symbolized the transition of documents between the paper and digital worlds.