This verse, "Ira the son of Ikkesh the Tekoite, Abiezer the Anathothite," simply lists two of King David's mighty warriors. Let's break it down:

"Ira": This is a man's name.
"the son of Ikkesh": This tells us Ira's father's name was Ikkesh. Patronymics (indicating father-son lineage) were common in ancient times.
"the Tekoite": This indicates that Ira was from the town of Tekoa. Tekoa was a town in Judah, located south of Bethlehem. It was the birthplace of the prophet Amos.
"Abiezer": Another man's name.
"the Anathothite": This indicates that Abiezer was from the town of Anathoth. Anathoth was a Levitical city in the territory of Benjamin, near Jerusalem. It was the birthplace of the prophet Jeremiah.

In essence, the verse provides the names and hometowns of two of David's valiant warriors. The inclusion of their place of origin is important for a few reasons:

Identification: It helps to distinguish them from other people with the same name.
Military Composition: It might give insight into the composition of David's army, which drew men from various towns and regions.
Local Loyalty: It hints at the local support David enjoyed throughout the land. By including men from Tekoa and Anathoth in his elite guard, he demonstrated his reliance on and integration of people from different parts of the kingdom.

These types of lists were common in ancient texts as a way to record and honor important individuals and their contributions. While the verse itself doesn't contain a deep, symbolic meaning, it contributes to the overall narrative of David's rise to power and the loyalty he inspired in his followers.