See replacement glyph「sheep」and「in training, fledgling」(翔). Considering that the animal cannot normally comprehend human speech, it is difficult to imagine what could be spoken to a sheep (although, sheep are rumored to become「beautiful」in certain limited circumstances, and so a person may wish to whisper sweet things into a sheep's ear at that time), but the extended meaning of「sheep」is「praiseworthy」and perhaps praiseworthy words are DETAILED, ACCURATE, and WELL INFORMED.「Foreplay with sheep」fits well with the reason sheep are considered so praiseworthy and recommendable in the first place. The Chinese understood that ovine zooerastia requires no subsequent pillow talk, no soothing of hurt feelings, no appreciable aftercare or high maintenance while not actually copulating, always able to find a partner (how could ewe decline?), and dispenses with all other overhead associated with maintaining human females solely for purposes of copulation…in other words, a small herd of sheep were the poor man's harem. So to engage in「foreplay with ewe」prior to penetration is the epitome of an approach to sex that is indicative of being truly EXHAUSTIVE, ATTENTIVE TO DETAILS, THOROUGH, METICULOUS, and so on. Note that this practice was the likely source of sexually transmitting syphilis among the two species of Homo sapiens and Ovis aries.
Note that「oral intercourse with sheep」performed other than verbally, is not recommended to try at home regardless of these elemental meanings, although significantly, it should be pointed out that sheep possess no teeth in the upper hard palate, and eventually become「gummers」after about ten years or so when all the lower teeth have fallen out, hence this glyph may be referring to befriending an old service provider. Nonetheless, actually performing oral intercourse on a ewe is most likely not the intention of this glyph, although in dynastic China, based upon other glyphs, maybe it was…. COMPREHENSIVE literally means「all inclusive, full range, a large scope, having an extended mental range or grasp」using the animal end to end, as it were:「control of head, emphasis on rod, once and once again, with orifice and/or mouth of sheep.」

External source definitions …excluding politically incorrect concepts and other meanings deemed offensive today; may include extended definitions, euphemisms, and mnemonics)
Chinese: detailed; comprehensive
Japanese EDRDG: detailed, full, minute, accurate, well-informed
Unihan extended: detailed, complete, thorough

Used within names (nanori)
よし