that for any text that may be in doubt, the following checks should be performed: if the definition matches (only the definition and only if it matches) with the definition from the PIV, then you should check whether this definition is taken in the PIV from other dictionaries, for example from PV, then check if such a definition does not coincide with a direct translation from another source, for example, with definitions in other language versions of the Wiktionary (the [https://creativecommons.org/licenses/by-sa/3.0/deed.eo license]), then you should make sure that this is not an obvious description for a materially existing object (sorry my en. - object, that "is" or "was" existing), and not a definition of an abstract concept (example, "Berlin is a city in Germany, the capital, big", with any word's order, such a definition cannot be protected by any copyright, you can check with a lawyer);
that for any text that may be in doubt, the following checks should be performed: if the definition matches (only the definition and only if it matches) with the definition from the PIV, then you should check whether this definition is taken in the PIV from other dictionaries, for example from PV, then check if such a definition does not coincide with a direct translation from another source, for example, with definitions in other language versions of the Wiktionary (the [https://creativecommons.org/licenses/by-sa/3.0/deed.eo license]), then you should make sure that this is not an obvious description for a materially existing object (sorry my en. - object, that "is" or "was" existing), and not a definition of an abstract concept (example, "Berlin is a city in Germany, the capital, big", with any word's order, such a definition cannot be protected by any copyright, you can check with a lawyer);