SSG html not showing as static assets in on Vercel deploy summary?

[addlistener]

Description

Route (pages)                              Size     First Load JS
┌ ● /                                      1.67 kB         120 kB
├   /_app                                  0 B             114 kB
├ ○ /404                                   183 B           114 kB
├ λ /auth/signin                           2.24 kB         121 kB
├ ○ /auth/verify-request                   1.53 kB         120 kB
├ ● /dash/account                          2.03 kB         135 kB
...

○  (Static)   prerendered as static content
●  (SSG)      prerendered as static HTML (uses getStaticProps)
λ  (Dynamic)  server-rendered on demand using Node.js
Done in 70.06s.

However ● (SSG) content are shown as functions in deployment summary. Are they actually statically generated?