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Additional means extra or more, like saying, She added additional sugar to the cake.

Logs in technology refer to records of events or processes, like, The system logs show when the app was used.

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What does additional logs mean?

Extra records for more information

Old records from the past

Additional means extra or more, not old or from the past.

New problems to solve

Logs refers to records or data, not problems.

Less important details

Additional suggests more importance or quantity, not less.