what is trend and its importances and which currency pairs trade we shoould do?

What is the trend?
Market ma price jab kisi be direction ma move karti hai to us ko ham log trend bolta ha price hamesha left sa right ki tyraf jati ha
Aur jab trend upr ko hota ha to market up ki tyraf move kar rahe hoti hai aur jab trend neeche ki taraf hota ha wo market down move kar rahe hoti hai aur jab trend side ko hota ha to market straight line ma move kar rahi hoti ha

Importances of trend
Forex ma ham logo ko koi trade wagra lagna sa pehla trend ko lazami dekhna chahiye ku ka agr trend down ha aur ham log trade buy ma lagya laita ha to is sa ham logo ko bhot hi zada loss wagra face karna padta hai is liya ham logo kisi be surat matrend ko ignore nahi karna chahiye bilka ham logo ko chayia ka ham log trend ma hi jaya kar trade wagra lagya karya tay ka ham log successful trade lagya sakhya karya

Which currency pairs trade we should do?
Market ki movement ki direction aur speed ki munhasbit sa hi karna chayia jasa ka GBP/USD,EUR/USD.USD/JPY,USD/CHF ki trading beht hoti ha ku ka in spreads ma differences hota ha aur spread ham log currency ki price buy and sell ma faraq kam hota ha
Kuch currency aur ha jin ki trading wagra ki jaya skahti hai mgr in ka spreads yani k buy and sell mazda differences nai hota hai jis ki waja se hum logo ko samajhna ma problem hoti ha in currency ki spread ma zada differences nai hota ha GBP/JPY,EUR/JPY wagra wagra