Sexual harassment is not an easy topic, and with the advent of most employees working from home, it has taken on a new dimension of difficulty. Identifying it with concrete evidence is sometimes a feeling you get because you know the other person's behavior or comment was not appropriate. Still, the question is, was it sexual harassment.
Keep in mind that sexual harassment does not always occur through physical contact. The spoken word, emails, texts, and video conferencing can all serve as vehicles to deliver sexually harassing messages.
Further, sexual harassment can be delivered in various ways. Comments targeted to your gender, wardrobe, hairstyle, or even an inappropriate joke can be construed as sexual harassment and under many legal jurisdictions can be reported as such.