This is probably referring to the use of the “soul” such as insecurity and doubt, it can hurt or heal you. In simple terms, an double edged sword that lies within the mind is the mind itself, or as Dickens refers to it, an “soul”.
Answer:
Since ancient times, fingerprints have been used as a way to identify people. New, automated identification systems being developed now will be able to use more than just fingerprints. The AFIS was developed to store and cross-reference criminal fingerprints faster by computer. The IAFIS the largest fingerprint database-can scan fingerprints by computer instead of using ink and paper, making the process faster.
"only landscapes" would turn to "videos that have only landscapes"
