Sexual harassment is unwanted conduct (verbal, nonverbal or physical) of a sexual nature that has the intent or effect of violating a person’s dignity.
Sexual harassment creates an intimidating, hostile, degrading, humiliating or offensive environment for targets and witnesses of the harassment.
It can happen offline and online.
It can be a one off incident or a pattern of behaviour
You can be impacted by something that is not directly aimed at you.
It is still harassment even if the behaviour was not intended to offend.