The words "trunks and valises" refer to types of luggage. A "trunk" is a large, sturdy box used for storing clothing and personal items, typically for travel, while a "valise" (or "valise" in American English) is a smaller suitcase or bag used to carry personal belongings.
To find clues about the meanings of these words in a passage, you would typically look for context-related phrases. Words associated with travel, packing, or items used for carrying belongings can suggest that "trunks" and "valises" pertain to luggage. Additional clues might include descriptions of where they are used (such as hotels, airports, or train stations) or references to activities like "packing" and "traveling."