What/who is “the straight path” (صراط المستقیم)? (Shia view)

With respect to the verse 6 of the first Surah of the holy Quran (i.e. Surat-al-Fatihah), > Guide us to the straight path (6) path of those you have gifted (7) > >(اهْدِنَا الصِّرَاطَ الْمُسْتَقِيمَ ﴿٦﴾ صراط الذین انعمت علیهم (7 What does "the straight path" or "صراط المستقیم" mean according to Shiite view? With the hint provided in the next verse, who are those Allah has gifted?