Tautology is an unnecessary (and usually unintentional) repetition of meaning, using different words that effectively say the same thing twice; a form of redundancy
Basic examp!es
English
black darkness cold ice buming fire digital download
sufficienłly adeguate
new innovation aromatic aroma lonely isolation
free gift
I can see it with my own eyes suddenly, without waming forward planning /planning ahead The Deadly Assassin
Polish
Acronyms
Acronyms can also form the basis for redundancies; this is known humorously as RAS Syndrome (for Redundant Acronym Syndrome Syndrome):
. ”1 forgot my PIN number for the ATM machinę."
. "I upgraded the RAM memory of my Computer."
• "She is infected with the HIV virus "