I am currently insured by my employer but I'm planning to quit and backpack for three months through Asia and Europe. I am relocating from Asia to the UK. At the end of my trip, I will be insured again under the NHS. I'd like to purchase travel insurance for this period. Does the fact that I have no "home" insurance matter?
Along these lines, is there a difference between a globally valid medical insurance and the travel insurance with worldwide coverage? The latter seems cheaper, which is a bit counterintuitive.
TL;DR I have no insurance but want to travel. Will just travel insurance suffice? I'm looking at a policy like this one - https://www.allianz-assistance.com.sg/media/documents/20170802-B2C-PW.pdf
Edit: To provide context, I'm an Indian citizen, legally resident in Singapore and insured here by my employer and moving to the UK for graduate school.