The string you provided looks like a specific metadata tag for a high-definition video file—likely a release of the popular Spanish TV series (Cathedral of the Sea). What the Title Means

The title of the 2018 historical drama series based on the best-selling novel by Ildefonso Falcones.

This is likely the "tag" of the release group or individual who encoded or uploaded the file. About the Series: La Catedral del Mar

Set in 14th-century Barcelona, the series is a sweeping epic that follows the life of , a peasant who rises from poverty to wealth and nobility while the iconic Basilica of Santa Maria del Mar is constructed in the background. Key Plot Points: Cathedral of the Sea (TV Series 2018)

Indicates a Full High-Definition video resolution (1920x1080 pixels).

Refers to the inclusion of both Catalan and Spanish audio tracks or subtitles.