Englishfor English speakers
visibility
Noun
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The visibility of something is the state of the thing being visible.
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Visibility is how well a particular thing can be seen.
The visibility from that angle was good
protection
Noun
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Protection is keeping something or someone safe.
She ran away from her abusive husband to her brother for protection.
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A device used for safe sex e.g. condom.
I used protection so I wouldn't get her pregnant.