Final answer:
Okonkwo tracking down Ekwefi represents a moment of familial loyalty and exposes the complexities of his character in the midst of cultural upheaval in 'Things Fall Apart'.
Step-by-step explanation:
The significance of Okonkwo tracking down Ekwefi outside the caves in Chinua Achebe's Things Fall Apart revolves around themes of loyalty, protection, and traditional gender roles within the Igbo society. Okonkwo's pursuit of Ekwefi signifies his deep concern for his family, which occasionally transcends his tough exterior and strict adherence to traditional masculinity. This act also sheds light on Okonkwo's relationship with his wife, implying a depth of feeling that contrasts with his often harsh and unemotional facade. It is a pivotal moment that illustrates the complexity of Okonkwo's character and the intricate dynamics of familial relationships amid the societal upheaval caused by colonization, echoing the broader themes of cultural dispossession and personal struggle found throughout the novel.