
Indelible
Irremovable Property
Indelible attributes are often associated with durability and reliability, especially in products like pens or markers. 
Evidence Preservation
'Indelible' is typically used when describing something that must remain unchanged for legal or historical verification. 
Memory Association
When 'indelible' is used metaphorically, it emphasizes the permanence of an impact or experience in one's memory. 