Four doors

Four doors of secret mantra practice (Tib. གསངས་སྔགས་ཀྱི་སྒོ་བཞི་, Wyl. gsangs sngags kyi sgo bzhi):

1. The door of recitation, for genuine visualization.
2. The door of secret mantra, for invoking the wisdom mind.
3. The door of samadhi, for focusing one-pointedly.
4. The door of ritual mudras, for conveying symbolic meaning.

Alternatively:-

The verbal gate of utterance is to remind of the ultimate.

The secret gate of mantra is to invoke the samayas.

The mental gate of samadhi is to keep one-pointed focus.

The playful gate of mudra is to link gesture with meaning.

Alternative translations

• Four gates of secret mantra (Erik Pema Kunzang)

Source

RigpaWiki:Four doors