1. The Legendary Sword Excalibur: Arthur is most famously associated with Excalibur, the magical sword given to him by the Lady of the Lake. This sword represents his rightful claim to the throne and symbolizes his power and destiny as a leader.
2. The Knights of the Round Table: Arthur is known for his fellowship of knights who pledged their loyalty to him, forming the Knights of the Round Table. This group represents ideals of chivalry, honor, and justice, which Arthur strived to uphold.
3. The Quest for the Holy Grail: While not always the central focus of Arthurian stories, the search for the Holy Grail plays a significant role in many narratives. This quest represents Arthur's and his knights' dedication to religious and spiritual ideals, adding a mystical and philosophical layer to the legend.