There are multiple definitions:

1. Wound, Ischemia and Foot Infection(English)

   • classification system, developed by the Society for Vascular Surgery, and designed to provide more granular data and to also function as a clinical decision-making tool. Also denoted as WIfI
   • CD-TLR, IPOD, ABI, AFS, CLI, CLTI, PAD, TMAO
   • Vascular disease, Classification, Infection, Wound healing/care
   • https://doi.org…jnl-2019-316164
   • https://doi.org…cin.2026.01.311

2. Wireless Fidelity(English)

   • LiFi
   • Communication