1. In or to a foreign country or countries: This is the most common usage. For example:
* "She's traveling abroad."
* "They're working abroad."
* "We're studying abroad in France."
2. Widely known or circulated: This is a less common usage. For example:
* "The news of the scandal spread abroad."
* "Her fame is now abroad in the land."
Essentially, "abroad" implies a distance from the speaker's location or perspective, whether geographically or figuratively.