Clues are crucial pieces of information that help in solving a problem or mystery. Synonyms for clues include hints, leads, evidence, indications, signals, trails, tracks, suggestions, prompts, and tips. Hints are subtle indications that suggest a possible solution. Leads are pieces of information that direct to a possible answer. Evidence is concrete proof that supports a particular conclusion. Indications are signs that suggest a particular direction. Signals are signs that communicate a hidden message. Trails and tracks are marks that help in tracing an individual or object. Suggestions and prompts are gentle nudges that help in leading to a logical conclusion. Tips are useful pieces of information that aid in problem-solving.