{'fraction_non_alphanumeric': 0.03685897435897436, 'fraction_numerical': 0.0, 'mean_word_length': 5.188118811881188, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Virtual reality simulation

What are the main differences between virtual reality and simulation? Is virtual reality a special type of simulation (e.g., with computers, machines, and visual displays)? Or is simulation a particular of form of virtual reality? Does it matter what the differences are? Some people use the terms interchangeably, as if they were (almost) the same. Other terms are invariably associated with the above two terms, such as interaction, environment, computer, visualization, model. The term virtual reality simulation is fairly common too. An example using some of the above terms is this abstract: