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This is a matter concerning the entire team.
Dies ist eine Angelegenheit, die das gesamte Team betrifft.
Something concerning is related to or relevant to a particular situation or person.
The news about the economic downturn is concerning to investors.
Die Nachrichten über den wirtschaftlichen Abschwung sind für Investoren besorgniserregend.
Use 'concerning' in formal situations to introduce a topic or issue.
From Old French 'concernant', present participle of 'concernere', meaning 'to relate to'.
Often used in formal or professional contexts.