diff --git a/core/Parser/ASTNode.cpp b/core/Parser/ASTNode.cpp
index e5fa092..58637d9 100644
--- a/core/Parser/ASTNode.cpp
+++ b/core/Parser/ASTNode.cpp
@@ -45,7 +45,7 @@ class BinaryExpressionNode : public ASTNode
         {
             std::cout
                 << padRight(" ",indent)
-                << "BinaryExpressionNode"
+                << "BinaryExpressionNode "
                 << OPERATOR_MAP_STRREV.find(this->Operator)->second
                 << "( "<< OPERATOR_MAP_REV.find(this->Operator)->second << " )"
                 << "\n";
@@ -72,4 +72,38 @@ class LiteralNode : public ASTNode
         ParserToken parserToken;
 };
 
+class IdentifierNode : public ASTNode
+{
+    protected:
+        ASTKind kind = ASTKind::Literal;
+        void log(int indent)
+        {
+            std::cout << padRight(" ",indent)  << "IdentifierNode {" << this->lexerToken.token << "}\n";
+        }
+    public:
+        Token lexerToken;
+        ParserToken parserToken;
+};
+class PostfixNode : public ASTNode
+{
+    protected:
+        ASTKind kind = ASTKind::Literal;
+        void log(int indent)
+        {
+            std::cout
+                << padRight(" ",indent)
+                << "Postfix "
+                << OPERATOR_MAP_STRREV.find(this->Operator)->second
+                << "( "<< OPERATOR_MAP_REV.find(this->Operator)->second << " )"
+                << "\n";
+            this->operand->log(indent + 4);
+        }
+    public:
+        ASTNode * operand;
+        TokenType Operator;
+};
+
+
+
+
 #endif
\ No newline at end of file
diff --git a/core/Parser/Parser.cpp b/core/Parser/Parser.cpp
index 3b5373b..15d859d 100644
--- a/core/Parser/Parser.cpp
+++ b/core/Parser/Parser.cpp
@@ -60,7 +60,7 @@ ParserToken Parser::parseToken(Token token){
     }
     else if(token.gettype() == "identifier")
     {
-        pToken.type = KEYWORD_MAP.find(token.token)->second;
+        pToken.type = TokenType::IDENTIFIER;
     }
 
     return pToken;
@@ -118,6 +118,10 @@ void Parser::primaryExpression()
     }
 }
 
+// Expresssionu tamamen okuyup bitiren kısım burası
+// Bir expressionda kendi içerisindeki operatörleri işler
+// Terimler ile ilgilenmez yanlızca ifadelerin önceliğini belirler
+// Sayılar, fonksionlar, tanımlamalar gibi şeyler burda işlenmez
 ASTNode * Parser::volumeExpression(uint16_t precedence)
 {
     if (this->currentToken().type == TokenType::SVR_VOID)
@@ -127,9 +131,17 @@ ASTNode * Parser::volumeExpression(uint16_t precedence)
 
     ASTNode* left = this->volumeNullDominatorExpression();
 
+    if (!left) {
+        return nullptr;
+    }
+
     while(1)
     {
         auto nextToken = this->lookehead(+1);
+        if (nextToken.type == TokenType::RPAREN) {
+            break;
+        }
+        nextToken = this->lookehead(+1);
         if(precedence < nextToken.getPowerOperator())
         {
             this->nextToken();
@@ -141,8 +153,9 @@ ASTNode * Parser::volumeExpression(uint16_t precedence)
     return left;
 }
 
-
-
+// Terimler burada işlenir tanımlamalar sayılar burada işlenir
+// işlem önceliği işlenmez
+// Tek yönlü operatörler !a b++ ++c burada işlenir 
 ASTNode * Parser::volumeNullDominatorExpression()
 {
     auto currentToken = this->currentToken();
@@ -151,7 +164,19 @@ ASTNode * Parser::volumeNullDominatorExpression()
         // Hata: "Beklenmedik dosya sonu, bir değer bekleniyordu!"
         return nullptr; 
     }
+
+    if (currentToken.type == TokenType::RPAREN) {
+        return nullptr;
+    }
     
+    if (currentToken.type == TokenType::LPAREN) {
+        this->nextToken();
+        ASTNode* expr = this->volumeExpression(0);
+
+        this->nextToken();
+        
+        return expr;
+    }
 
     if(currentToken.is({
         TokenType::PLUS_PLUS,
@@ -170,23 +195,40 @@ ASTNode * Parser::volumeNullDominatorExpression()
         return binNode;
     };
 
-    if(currentToken.is({
-        TokenType::NUMBER
-    })) {
+    if(currentToken.is(TokenType::NUMBER)) {
         LiteralNode * lNode = new LiteralNode();
         lNode->lexerToken = currentToken.token;
         lNode->parserToken = currentToken;
         return lNode;
     }
 
+    if(currentToken.is(TokenType::IDENTIFIER)) {
+        IdentifierNode * iNode = new IdentifierNode();
+        iNode->lexerToken = currentToken.token;
+        iNode->parserToken = currentToken;
+        return iNode;
+    }
+
     return nullptr;
 }
 
-
-
+// Çift yönlü matematiksel işlemler burada işlenir
+// [volume]+[volume] veya [volume] * [volume] gibi terimleri birbirine bağlayarak geri döner
 ASTNode * Parser::volumeLeftDominatorExpression(ASTNode * left)
 {
     auto currentToken = this->currentToken();
+
+    if (currentToken.is({
+        TokenType::PLUS_PLUS,
+        TokenType::MINUS_MINUS
+    })) {
+        this->nextToken();
+        PostfixNode* node = new PostfixNode();
+        node->operand = left;
+        node->Operator = currentToken.type;
+        return node;
+    }
+
     uint16_t precedence = currentToken.getPowerOperator();
     this->nextToken();
     auto right = this->volumeExpression(precedence);
diff --git a/saqut b/saqut
index fe08c30..38f891c 100755
Binary files a/saqut and b/saqut differ
diff --git a/source.sqt b/source.sqt
index 56b8e3c..d7cac1d 100644
--- a/source.sqt
+++ b/source.sqt
@@ -1 +1 @@
-1 - 2 + 3 * 4 / 5
\ No newline at end of file
+++1 - b++
\ No newline at end of file