This is the 996th most frequent Hindi word.
astra
A weapon, often divine or supernatural, used in ancient Indian texts.
Here 'astra' is used metaphorically to mean a tool or weapon, symbolizing something that aids in achievement.
अपनी बुद्धि को ही अपनी शक्ति और अस्त्र बनाओ।
Make your intellect your strength and weapon.
In this context, 'astra' refers to actual weapons, especially those of divine or magical nature.
महाभारत में अर्जुन को अनेक अस्त्रों का ज्ञान था।
Arjuna in the Mahabharata had knowledge of many weapons.
Again, 'astra' is metaphorically indicating tools or methods used to achieve a goal, specifically in the context of communication.