Examlex
Regular credit cards are magnetic-strip cards that have a strip of magnetically encoded data on the back that holds about 0.2-0.9 KB of data.
Backchannel
A secondary or alternative route of communication that occurs simultaneously with the primary communication channel, often unseen or unnoticed.
Practice Session
A period of time dedicated to honing or refining specific skills or preparing for a particular event or activity.
Perfection
The state of being free from any flaw or defect, or the process of striving to achieve the highest possible standards.
Subject Matter
The topic or content that is being discussed, studied, or dealt with.
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