IMDb is a comprehensive platform that provides ratings, reviews, and guides on where to watch the best movies and television shows. It features a well-organized menu categorized into Movies, TV Shows, Celebs, and Awards and Events, among others. The platform offers important details such as release calendars, top 250 movies, popular films, and browsing options by genre. This adds to its utility for those looking to explore different categorizations.

IMDb also takes into account the current status of movie theaters by showing box office hits and schedules for movie runs. For TV show enthusiasts, IMDb presents a detailed rundown of what's currently streaming, top-rated television series, popular shows, and the capability to browse shows using specific genre filters. Furthermore, IMDb tracks film festivals and movie awards, including the Oscars, Emmys, and Toronto International Film Festival. IMDb features a 'STARmeter Awards' section and 'Festival Central', both of which offer insights into the world of filmmaking and stardom.

One of the unique functionalities of IMDb is viewing celebrity details - those born today, most popular celebrities, as well as the latest news in the celebrity world. It incorporates a Community Help Center and a Contributor Zone to engage with its user base and allow input from movie and show enthusiasts, thereby creating an inclusive community for industry professionals and fans alike.

Another factor contributing to IMDb's appeal is language support. While English (United States) is fully supported, the platform also partially supports several other languages like French (Canada and France), German (Germany), Hindi (India), Italian (Italy), Portuguese (Brazil), and Spanish (Spain and Mexico). The inclusion of diverse languages enhances accessibility for users worldwide.

In keeping up with the evolving world of entertainment, IMDb also hosts sections for original content, top picks, and podcasts. Customizable watchlists and options for new customer account creation mark further personalization features. The platform hosts trailers and exclusive content for the next big films and series, such as the anime 'Argylle', 'May December' and 'Gen V', giving its users a sneak-peek into upcoming entertainment trends.

Verdict: IMDb serves as a credible and detailed database for movie and television show information, industry updates, and celebrity insights, catering to a range of languages and user preferences. It not only offers comprehensive information for professionals in the industry, but also engages with movie and TV show fans providing a platform for interaction, updates, and personalisation.