各执己见 is formed by combining four characters: 各 meaning "each", 执 meaning "to hold" or "persist in", 己 meaning "self", and 见 meaning "view" or "opinion". In the phrase, 各 serves as the subject, 执 as the verb, and 己见 as the object, where 己 modifies 见 to create "one's own opinion". This construction directly yields the literal meaning of each person holding firmly to their own viewpoint.