"Classics" Style Transformers are defined, on this website, as any toys originating within the "Classics" toy line that began in 2006, toys from later toy lines such as the 2008 "Universe" toy line or the "Generations" toy line which are widely seen as spiritual successors to the "Classics" toy line, or third party products intended to fit in with any of the above.
"Pre-Movie" Transformers are, on this website, defined as ones based on characters from the original "G1" cartoon and / or toy line in 1984 or 1985. "Post-Movie" Transformers are defined as ones introduced in the 1986 film and accompanying toy line, or appearing in the seasons of the cartoon set after the 1986 film. "Other 'Classics' Style Transformers" are defined as those that fit within the "Classics" style, but are not based on characters who appeared in the G1 cartoon, or are not based on toys that were a part of the G1 toy line while the cartoon was still in production.
"Pre-Movie" Transformers are, on this website, defined as ones based on characters from the original "G1" cartoon and / or toy line in 1984 or 1985. "Post-Movie" Transformers are defined as ones introduced in the 1986 film and accompanying toy line, or appearing in the seasons of the cartoon set after the 1986 film. "Other 'Classics' Style Transformers" are defined as those that fit within the "Classics" style, but are not based on characters who appeared in the G1 cartoon, or are not based on toys that were a part of the G1 toy line while the cartoon was still in production.