What casual dating means
Casual dating usually means seeing one or more people romantically or sexually without an agreed exclusive committed relationship. People use the phrase differently, so clarity still matters.
Rules worth discussing
Exclusivity, sexual health, communication, dating other people, public expectations and what happens if someone wants more are the big areas to make explicit.
Casual does not mean careless
Respect, consent and honesty still apply. The absence of commitment does not justify misleading someone about your intentions.
When casual dating changes
More time together or stronger feelings do not automatically create a relationship. If either person wants exclusivity or commitment, talk about redefining the arrangement.
Labels describe; agreements define
FWB, hookup, casual dating and situationship are useful shorthand, but none of them automatically answers whether a relationship is exclusive, how often people communicate, whether sex is involved, or whether either person wants commitment later. Two people can use the same label and still have materially different expectations. Treat the label as the beginning of the definition rather than the complete definition.
Choose the comparison that changes a decision
Relationship labels are most useful when the distinction affects what you do next. If the question is whether to date other people, discuss exclusivity. If the question is whether this is becoming romantic, discuss intention and expectations. If the question is sexual health, discuss partners, protection and testing. The practical issue should drive the conversation.
Labels help describe a relationship, but expectations are specific to the people in it. When something important changes, a direct conversation is usually more useful than trying to decode a rule from the internet.