The ASL letter A is signed by forming a closed fist with the thumb positioned along the side of the hand. This clear and distinct hand shape differentiates it from other letters in the ASL alphabet.

The letter B in ASL is produced with an open hand where the fingers are held straight and together, with the thumb placed across the palm. This configuration helps clearly differentiate it from signs of other letters.

The ASL letter C is signed by curving the hand so that it resembles the shape of the letter C. This form is distinct and easily recognizable as part of the ASL alphabet.

The ASL letter D is signed by extending the index finger while the other fingers remain curled, with the thumb making contact. This formation sets it apart from other hand shapes in the ASL alphabet.

The ASL letter O is created by forming the hand into a circle, with the fingertips meeting the thumb. This distinct circular formation differentiates it from other signs in the alphabet.

The ASL letter U is signed by extending the index and middle fingers together in a parallel formation, while the remaining fingers are folded into the palm. This configuration is distinct and unique to the letter U.

The ASL letter L is created by extending the index finger upward and the thumb outward to form an 'L' shape. This distinct configuration makes the sign easily recognizable.

In ASL, the letter R is signed by crossing the index and middle fingers. This crossed position is the defining characteristic that sets R apart from other similarly formed signs.

The ASL signs for M and N are very similar since both are signed with a closed fist and the thumb tucked underneath. The difference is found in the number of fingers covering the thumb, making careful observation essential.

Palm orientation is critical in ASL because it helps distinguish between signs that have similar hand shapes. A slight change in the direction of the palm can completely alter the meaning of a sign.

The ASL sign for letter F is identified by the contact between the thumb and index finger, which forms a small circle. This specific detail distinguishes it from other similar hand shapes in the alphabet.

The key difference between the signs for K and R lies in the positioning of the index and middle fingers. In K, the fingers remain extended and slightly apart, while in R they are crossed to form the letter.

Using the dominant hand in ASL ensures that the movements are controlled and precise. This leads to clearer gestures and helps avoid misinterpretation during communication.

The ASL letter J is signed by drawing a curve in the air using the pinkie finger, mimicking the shape of the letter. This dynamic motion distinguishes it from the more static signs.

Consistent finger spacing is key to preserving the integrity of each ASL letter. Uniform spacing minimizes ambiguity and helps ensure that each sign is communicated clearly.

The primary difference between M and N lies in the number of fingers covering the thumb - three for M and two for N. This subtle distinction is crucial, especially during fast-paced signing.

Spatial awareness is vital in ASL for positioning the hands correctly so that each sign is clearly visible and distinct. This attention to spatial detail contributes to effective and accurate communication.

Consistent hand pressure and tension ensure that the hand shapes remain uniform and easily recognizable. This consistency is essential for differentiating between signs that may appear similar at first glance.

Exaggerating a sign is often used in teaching environments to accentuate the key features of each hand shape. This approach aids learners in recognizing and replicating the correct formations.

Facial expressions in ASL add essential emotional nuance and context to the manual signs. They help reinforce the meaning behind each sign, making the communication more effective and complete.