The main themes are chivalry, love, and power. Chivalry as mentioned is a big part of the knights' identity. Love is also there, like the love between Lancelot and Guinevere which causes a lot of turmoil in Camelot. Power is constantly at stake. Arthur has to maintain his rule over a kingdom full of ambitious knights and external threats. These themes interact and sometimes conflict with each other throughout the novels.
I think it might mean that there's a caricature of a gentleman who is a legionnaire and is in a fight. But this is just a guess based on the words. To understand it better, we'd need more background information.
King Arthur is obviously one of the most important. He is the central figure around whom the whole story revolves. Lancelot is also crucial. His skills as a knight are renowned, and his relationship with Guinevere is a major plot point. Guinevere herself is important as the queen and her actions and relationships have a big impact on the kingdom. Merlin is another key character. His magic and wisdom play a great role in guiding Arthur and the kingdom at the start.
No. Mainstream journals typically focus on a variety of topics that are suitable for a wide range of audiences, such as current events, culture, literature in a general sense, and more. Journals with 'erotic' in the name are likely to be specialized in adult - related content and not part of the mainstream.
The journal of Hubei Open University was not a C journal. A C-journal referred to an authoritative academic journal that was included in the China Academic Periodical Comprehensive Evaluation (CNAC) database. The journal of Hubei Open University was a comprehensive academic journal sponsored by Hubei Province Higher Education Press. It mainly covered higher education, management, education, literature, law, and other fields. It did not belong to the category of C journals.