: These are common abbreviations used by indexing sites to categorize image sets or "Thumbnail Gallery Posts."
Because this refers to a specific private or adult-oriented file, there isn't a "guide" for the topic in a traditional sense. However, clairetenebrarum_liannalawsonhc.rd.tgp.158.jpg
The string "clairetenebrarum_liannalawsonhc.rd.tgp.158.jpg" appears to be a specific filename format typically associated with adult content galleries or image hosting sites (often indicated by the "tgp" suffix, which stands for "Thumbnail Gallery Post"). : These are common abbreviations used by indexing
: This likely refers to a collaboration with or a site dedicated to a creator named Lianna Lawson; "HC" often stands for "Hardcore." clairetenebrarum_liannalawsonhc.rd.tgp.158.jpg
: This identifies the specific image number within a larger sequence or gallery.