Many people use this character in given names for its bright, expansive feel.
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Built from 景 (sunlight, brightness) over 页 (a head), it originally pictured a white-haired head, then generalized to 'white, bright, vast'. Mostly literary now, and a popular bright-meaning name character.
The 页 radical originally pictured a head. Combined with the sunlight element it gave the early image of a white-haired head, the root of the 'white and bright' meaning; it is also the indexing radical.