When designing a lower third for a video, why is it crucial to place text within the 'safe title area'?

The 'safe title area' is a specific, smaller rectangular region within the overall video frame that guarantees the full visibility of crucial on-screen text and graphics. A lower third is a graphic overlay typically placed at the bottom of the screen to present identifying information, such as a speaker's name and title, or other pertinent data. Placing text for a lower third within this designated safe zone is crucial for several fundamental reasons.